Ice-cutting machine.



- J.- S. LAMBERT.

ICE CUTTING MACHINE. APPLICATION FILED APIB..9, 1910.

983,909. Patented Feb. 14, 1911 2 SHEET S-SHEBT 1.

Lb 6 D ag/dimmed J. S. LAMBERT.

.IGE CUTTING MACHINE. APPLIOATION FILED APB..9,-1910. 983,909, PatentedFeb. 14,1911

2 SHEETS SHEET 2.

TQE.

J AY S. LAMBERT, OF MARSHALLTOWN,

IOWA, ASSIGNOR OF ONE-HALF TO 0. P. COOK, C. H. WHITEHEAD, AND H. A.WEISMAN,

ALL OF IvIIABSI-IALLTOWN, IOWA.

ICE-CUTTING MACHINE.

Specification of Letters Patent.

Patented Feb. 1 1, 191.1.

Application filed April 9, 1910. Serial No. 554,423.

To all whom it may concern:

Be it known that I, JAY S. LAMBERT, a l

citizen of the United States, residing at Marshalltown, in the county ofMarshall and State of Iowa, have invented new and useful Improvements inIce-Cutting Machines, of which the following is a specification.

This .invention relates to an ice cutting machine of that type includingan engine driven saw or cutter.

The invention has for one of its objects to provide an extremely simple,eflicient and practical cutting machine which has a large cuttingcapacity and can be readily operated by one man.

With such objects in View, and others as will appear as the descriptionproceeds, the invention comprises the various novel features ofconstruction and arrangement of parts which will be more fully describedhereinafter and set forth with particularity in the claims appendedhereto.

In the accompanying drawing, which illustrates one embodiment of theinvention;-Figure 1 is a side view of the machine. Fig. 2 is a plan viewthereof. Fig. 3 is a detail view of one of the devices for guiding themovement of the machine.

Similar reference characters are employed to designate correspondingparts throughout the several views.

Referring to the drawing, 1 designates the side beams of the bed or bodyof the ma F chine, which beams are supported on cross pieces 2 that havesecured to them, the runners 3. On the bed is mounted an internalcombustion engine A of any approved type which serves to drive therotary cutter or saw 4:. This saw is secured to an arbor or shaft 5,which has its ends journaled in bearings 6 mounted on a forwardlyextending swinging frame composed of side bars 7 that are held in spacedrelation by a cross r piece 8 and braces 9 between the cross piece andside bars. The rear end of the frame swings on an axis co-inciding withthe engine shaft 10 and if desired, the ends of the shaft 10 may formthe pivots or pintles on which the said frame swings. On the saw shaftor arbor 5 is a sprocket wheel 11 around which passes a sprocket chain12 that also passes around the sprocket wheel 13 on the engine shaft sothat the saw will be driven. 'The members 7 form the distance barsbetween the saw and engine so that the saw can be swung up and downwithout changing the tension of the sprocket chain. Secured to the bedof the machine are upwardly and rearwardly extending handle bars 1 1that carry a transverse grip bar or handle 15, whereby the machine canbe pushed forward and this handle device is supported rigidly on the bedby standards 16. There are brackets 17 on the handle bars that carrybearings 18 in which the ends of the engine shaft rotate, and thesebearings hold the side bars of the saw-carrying frame against lateralmovement.

frame, the lever 19 is provided, which is fulcrumed at an intermediatepoint 20 between two horizontally extending bars 21 secured at theirrear ends to a cross piece 22 forward ends on upright members 23 risingfrom the bed of the machine. The forward end of the lever is disposedcentrally of the saw-carrying frame and between this end of the leverand the front ends of the bars 7 of the said frame are connecting rodsor links 24. The rear end of the lever is formed into a handle locatedadjacent the push handle so that the operator can raise and lower thesaw-carrying frame as the occasion requires. The lever is held in anyposition of adjustment by a latch device 25, which engages a notchedsector bar 26 secured to the members 21 and extending upwardlytherefrom, the sector bar being curved around the pivot as a center.

The movement of the machine can be guided by devices 27 extendinglaterally from the bed of the machine so as to ride in the precedingcut. These devices are strips of metal extending horizontally from thebed and bent downwardly at their outer ends to engage in the precedingsaw cut made by the machine, and these devices can be adjusted forvarying the width of the strips of ice to be cut and for this purposethey are provided with spaced apertures in any of which a hook 28 on thebed can be engaged, the said devices are supported in outstandingposition by means of the hooks 28 and by engaging additional hooks 29,as shown in Fig. 3.

In operating the device, the saw frame is first lowered by shifting thelever 19 to engage the saw with the ice and when the de- To raise andlower the saw carrying on the handle of the machine and at their" sireddepth of the cut is reached, the lever is locked against movement by thelatch 25 engaging the notched sector 26. The operator stands behind themachine and pushes the same forwardly by gripping the handle 15. Theteeth of the saw are so arranged that they tend to draw the machineforwardly rather than retard its movement so that it takes very littleeffort 011 the part of the operator to push the machine even when makinga ten inch cut. When it is desired to reverse the machine, it is merelynecessary to pull downwardly on the lever 19 so as to raise the saw outof the cut, it being, of course, necessary to remove the guides 27before the machine can be turned. it will thus be seen that the machinecan be easily and quickly operated Without any special skill on the partof the attendant.

From the foregoing description taken in connection with the accompanyingdrawings, the advantages of the construction and of the method ofoperation will be readily apparent to those skilled in the art to whichthe invention relates, and while I have described the principle ofoperation of the invention, together with the device which I nowconsider to be the best embodiment thereof, I desire to have itunderstood that the device shown is merely illustrative and that suchchanges may be made when desired as are within the scope of the claims.

What I claim as new and desire to secure by Letters Patent is 1. Amachine of the class described, comprising a runner supported body, anengine mounted thereon and having its shaft eX- tending transversely tothe body, spaced bars having their rear ends mounted on the ends of theengine shaft, a saw shaft on the front ends of the said bars, a saw onthe last mentioned shaft, a centrally disposed longitudinally extendinglever, links connected with the forward ends'of the lever and ext-endingdownwardly and outwardly to connect with the forward ends of the saidside bars, a push handle connected with the body, a bar extending fromthe engine and having its rear end fastened to the push handle, anupright on the front end of the body having its upper end connected withthe front end of the said bar, and means for fulcruming the lever on thesaid bar and means on the 'bar for holding the lever in differentpositions of adjustment.

2. A machine of the class described comprising a runner supported body,a swingin g saw carrying frame extending forwardly from the body, a sawon the frame, anenglue on the body for driving the saw, a handie forpushing the machine, guiding devices projecting laterally from the sidesof the body, said devices being in the form of L- shaped members, eachhaving a plurality of spaced apertures, and a pair of hooks forsupporting each device, one hook being engai ed in one of the aperturesof the device and the other forming a rest for the device.

in testimony whereof I aflix my signature in presence of two witnesses.

JAY S. LAMBERT.

Witnesses i E. V. Hoonnr'r, H. C. Benson.

